I'm on Win2k SP2, NTFS. The 3 drives were in RAID0, 32k stripe (gaming size basically).
P4 at 2006mhz, 1gb of RDRAM.
The drives are 18.2gb Ultra160 68pin SCSI 15,000rpm 4mb buffer Seagate Cheetah X15's rebadged for Compaq.
I had 4 drives, but that completely saturates the poor 32bit 33mhz PCI bus.